Gardneria cf. angustifolia NAPE

We collected this on the lower slopes of Mt Japfu in Nagaland where it was creeping on the shady forest floor with white veined leaves. 4-merous small white flowers and fruit a reddish orange pea. Plantsman extraordinaire Jens Nielsen pointed us in the right direction on the ID after much anguished and fruitless hunting that led us to offer this previously (and infamously) as "no idea yet".  Zone 9 vine.